mediawiki-skins-MinervaNeue/README.md
jdlrobson cd528e120b Client side error reporting for Minerva+MobileFrontend
This adds a client side error logger that will store errors
in EventLogging. We will use it to get a sense of the number
of errors inside mobile.

To enable make use of the new configuration variable
wgMinervaErrorLogSamplingRate = 1

Notes:
* the optional `meta` field will not be utilised by the generic
error handler.
* URI length is not trimmed for title. We will consider whether we need
to make any adjustments to the schema values during roll out.
** For stack trace, we limit the length by removing errorUrl (which is logged
separately)

Testing:
Add throw new Error('asasasa'); anywhere in your code and make
sure the code executes. It should trigger an Error event provided
that configuration has been updated.

Bug: T202026
Change-Id: I07f01b4c025b2e5e4cbf88ec05e7c536442c62cc
2018-08-30 14:35:27 -07:00

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MinervaNeue skin
========================
The MinervaNeue skin is a responsive mobile-first skin for your mediawiki instance.
Installation
------------
See <https://www.mediawiki.org/wiki/Skin:MinervaNeue>
Development
-----------
### Coding conventions
Please follow the coding conventions of MobileFrontend:
<https://www.mediawiki.org/wiki/MobileFrontend/Coding_conventions>
### Config
The following configuration options will apply only to the default mobile skin - Minerva.
#### $wgMinervaAlwaysShowLanguageButton
* Type: `Boolean`
* Default: `true`
Whether to show the language switcher button even if no languages are available
for the page.
#### $wgMinervaEnableSiteNotice
* Type: `Boolean`
* Default: `false`
Controls whether site notices should be shown.
See <https://www.mediawiki.org/wiki/Manual:$wgSiteNotice>.
#### $wgMinervaErrorLogSamplingRate
* Type: `Integer`
* Default: `0`
Whether to log client side errors to EventLogging. If 0, error logging is disabled.
If 0.5, 50% of all client side errors will be logged to the EventLogging client.
If 1, all errors will be logged to the EventLogging client, thus when enabling this
care should be taken that your setup is bug free in order to not overwhelm the EventLogging
server.
#### $wgMinervaApplyKnownTemplateHacks
* Type: `Boolean`
* Default: `false`
When enabled and hacks.less exists, hacks.less workarounds are included in stylesheet. These should only be needed for Wikimedia based wikis or wikis using common templates such as Template:Infobox on those wikis.
#### $wgMinervaPageActions
* Type: `Array`
* Default: `['edit', 'talk', 'watch', 'switch-language']`
Controls which page actions, if any, are displayed. Allowed: `edit`, `watch`, `talk`, and
`switch-language`.
#### $wgMinervaCustomLogos
* Type: `Array`
* Default: `[]`
Make the logos configurable.
Currently, `copyright`, `copyright-fallback`, `copyright-width`, and `copyright-height` elements are
supported.
* `copyright` is the URL of the logo displayed in the header and footer
* `copyright-fallback` is the URL of the fallback logo displayed on
non-supported browsers like IE8 or Opera Mini
* `copyright-width` (optional) is the width in pixels of the copyright image
you want to display
* `copyright-height` (optional) is the height in pixels of the copyright image
you want to display
* If the actual `copyright` dimensions are 200x30, then you may want to set the
width and height to 100 and 15 respectively (in order to support retina
screens).
* Note that if -width and -height are not used sysadmin should ensure the image
used is appropriately sized (suggested dimensions < 120px width and 18px height).
Example:
```php
[
'copyright' => '/images/mysite_copyright_logo.png',
'copyright-width' => 100,
'copyright-height' => 15,
]
```
Example with fallback URL:
```php
[
'copyright' => '/images/mysite_copyright_logo.svg',
'copyright-fallback' => '/images/mysite_copyright_logo.svg.png',
'copyright-width' => 100,
'copyright-height' => 15,
]
```
#### $wgMinervaAlwaysShowLanguageButton
* Type: `Boolean`
* Default: `true`
Whether to show the language switcher button even if no languages are available for the page.
#### $wgMinervaABSamplingRate
* Type: `Number`
* Default: `0`
On a scale of 0 to 1, determines the chance a user has of entering an AB test.
A test is divided into 3 buckets, "control" "A" and "B". Users that are selected for the
test have an equal chance of entering bucket "A" or "B", the remaining users fall into the
"control" bucket and are excluded from the test.
1 - would run test on 100% of users (50% in A and 50% in B, 0 in control).
0.5 - would run test on 50% of users (25% in A, 25% in B, 50% in control).
0.05 - would run test on 5% of users (2.5% in A, 2.5% in B, 95% in control).
0 would disable the test and place all users in "control".
Group assignment is universal no matter how many tests are running since both
`wgMinervaABSamplingRate` and `mw.user.sessionId()` are globals.
Group membership can be debugged from the console via:
```js
const AB = mw.mobileFrontend.require('skins.minerva.scripts/AB')
new AB({
testName: 'WME.PageIssuesAB',
samplingRate: mw.config.get( 'wgMinervaABSamplingRate', 0 ),
sessionId: mw.user.sessionId()
}).getBucket()
```
And since session ID is an input in calculating the group, reassignment occurs
when clearing it: `mw.storage.session.remove('mwuser-sessionId')`.